1. Cut zucchini, potatoes, white radish, onion, and shiitake mushrooms into thick slices; cut small green peppers into diagonal sections; cut green onions into large slices.
2. Wash the crabs and cut into pieces.
3. Soak the razor clams in light salt water and spit sand.
4. Add water to the pot and melt the bean paste first.
5. Add shiitake mushrooms, potatoes, onions, white radish, razor clams, crabs, and shrimps and cook for 10 minutes.
6. Add tofu, zucchini, small green peppers, green onions, and minced garlic and continue cooking.
7. When the zucchini is cooked, add salt and chili powder to taste and turn off the heat.
